ISOtunes XTRA 2.0 Manual De Instrucciones página 11

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Fitting
ANSI S3.19-1974 Table (NRR Table)
EN352-2:2002 Table (SNR Table)
B5: SNR=36dB
H=36dB
M=33dB
Important
Please read, understand, and follow all safety information. This
product is designed to protect against harmful noise.
Fitting
ISOtunes® XTRA EN352 comes with 4 sets of TRILOGY™
foam eartips (XS,S,M,L) and 3 sets of silicone eartips (S,M,L).
Choose the size that fits most snugly in your ear canal.
Remember, the snugger the fit, the better the noise blocking.
The silicone eartips are intended for use when NOT in noisy
situations.
APVf=MF-SF9 (dB)
L=31dB
ISOtunes® TRILOGY™ foam eartips have a threaded core and
the sound port on the earbud is also threaded.
1. Twist the foam eartip counterclockwise to remove and
clockwise to place on a new foam eartip.
2. Carefully compress the foam eartip on the stem/sound port.
3. Insert the foam/eartip into your ear as deeply as is
comfortable and hold for 5 seconds while the foam expands.
4. Repeat with second eartip.
Hint: To open your ear canal wider, lift the top of your ear up
and away from your head, as shown in FIG1.
Introduction
Thank you for purchasing ISOtunes® XTRA 2.0 Professional
Noise Isolating headphones. These headphones have been
specifically designed for use in noisy environments – allowing
you to block out much of the surrounding noise so that you can
listen to your music or talk on the phone with less interruption.
This product has been tested and meets the European Safety
Standard EN352-2:2002 and the ANSI & NIOSH standards for
a hearing protector, with a Single Number Rating (SNR) of 36
dB and a Noise Reduction Rating (NRR) of 27 dB. Full testing
details are available in the Noise Attenuation section of this
booklet.
Noise Attenuation
APPROVAL: ISOtunes® XTRA 2.0 is tested and approved
in accordance with ANSI S3.19-1974 Specifications and the
European Safety Standard EN 352-2:2002.
ANSI
S3.19-1974
The level of noise entering a person's ear, when ISOtunes®
EN | 11

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